Sightseeing is a must. The temples Hindus or buddhist are magnificent. Visit Bhaktapur, a small village and I quote E.A. Powell 'Were there nothing else in Nepal, save the Durbar Square of Bhaktapur, it would still be amply worth making a journey halfway round the globe to see'
Fondest memory: People were so friendly and beautiful.
Visit the the second royal city - Bhaktapur.
It's Durbar Square is really well preserved. And there is another square really worth visiting - Potter's Square, where thousand of clay pots are made and sold.
Photo: Potter's Square
Favorite thing: wander the streets of Bakhtapur and Kathmandu. The street-life is amazing. Unhappily, Kathmandi does have a severe air-pollution problem, but the color and the noise and amazing people passing by all make it worthwhile. Bakhtapur is much quieter and probably more impressive, actually.